This is an unrestricted solicitation for an Indefinite Quantity Contract for a fluid filter (NSN 1650-01-071-2389) with a 5-year base period and an estimated annual quantity of 40 units. The sole approved source is Pall Aeropower Corp., and performance will be FOB Destination with Inspection/Acceptance at Destination. Interested contractors must submit a Source Approval Request (SAR) package to be considered as an additional source, as the government lacks complete technical data. Proposals will be considered if received within 45 days of the synopsis publication, and contractors must be registered in SAM.gov to receive an award. The solicitation is estimated to be issued on 06/15/2026, with the final award decision based on price, past performance, and other evaluation factors.